Wallaby release notes

Author: markgoddard

releasenotes/notes/wallaby-c3c55c39c7b118f2.yaml

@@ -0,0 +1,25 @@
+---
+features:
+  - |
+    Adds support for package repository snapshots via `Pulp
+    <https://pulpproject.org/>`_.  A local Pulp server is deployed on the seed,
+    which syncs package repositories and container images from the StackHPC
+    `Ark <https://ark.stackhpc.com>`_ Pulp server. Control plane servers pull
+    packages and container images from the local Pulp server.
+  - |
+    The EPEL package repository is disabled by default. It may be enabled by
+    setting ``dnf_enable_epel`` to ``true``.
+  - |
+    Uses StackHPC source code repositories for kolla, kolla-ansible, and bifrost.
+  - |
+    Supports Kolla CentOS Stream 8 source container images.
+  - |
+    Adds custom playbooks for compute host maintenance:
+
+    * ``nova-compute-drain.yml``
+    * ``nova-compute-disable.yml``
+    * ``nova-compute-enable.yml``
+    * ``reboot.yml``
+other:
+  - Adds a ``ci-aio`` environment for CI testing.
+  - Adds a ``ci-builder`` environment for building Kolla container images in CI.